Friction material containing brass powders
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United States of America Patent
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Jun 28, 1994
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N/A
app pub date -
Mar 20, 1992
filing date -
Mar 20, 1991
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Abstract
A copper powder-free friction material which is made by sintering and intended for friction surfaces of couplings or brakes contains powdery and/or granular metallic and non-metallic components, at least 50% by weight of the non-ferrous heavy metal component being brass powder.
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